On the economics of energy and climate change

This is a doctoral thesis in economics at Stockholm University thesis consists of three self-contained essays. Climate Policies and Input Substitution over Time investigates the efficacy of carbon taxes over different time horizons. The Decline in Energy Intensity investigates the underlying drivers of energy intensity decline in the U.S. Climate Risk: Transition or Physical investigates the multifaceted nature of climate risk for firms, focusing on both direct physical and transition risks.